December weather forecastBlanca, CO
December
Weather in December
The first month of the winter, December, is still a cold month in Blanca, Colorado, with an average temperature varying between 15.4°F (-9.2°C) and 33.8°F (1°C).Temperature
The start of December involves a temperature drop, moving from a frosty 46.2°F (7.9°C) in November to a wintry 33.8°F (1°C). In December, the nighttime temperature lowers to an average of 15.4°F (-9.2°C).Humidity
In Blanca, the average relative humidity in December is 72%.Rainfall
November and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
January through May, September through December are months with snowfall. In Blanca, during December, snow falls for 8.5 days and regularly aggregates up to 3.19" (81mm) of snow. Throughout the year, there are 45.2 snowfall days, and 26.02" (661mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:54 pm MST.
Sunshine
January and December, with an average of 6.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blanca, CO
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in December
Blanca, CO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Blanca, CO
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Blanca, CO
- Average humidity in December: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).
Average rainfall in December
Blanca, CO
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").
Average rainfall days in December
Blanca, CO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).
Average snowfall in December
Blanca, CO
- Average snowfall in December: 3.19"
The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Blanca, CO
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Blanca, CO
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Blanca, CO
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).
Average UV index in December
Blanca, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Blanca, CO
- Average cloud cover in December: 22
The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).
Average visibility in December
Blanca, CO
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
